first thing

I don’t really know how to respond, so I say the first thing that comes to mind.

“Have fresh flowers brought in, first thing,” she commanded.

“We told her we’d stay with you. She asked who Ridge was, and I said he was Mr. Mosley’s nephew. It was the first thing that came into my mind. It was the only way to explain why he looks like this.”

You decide whether to trade off the opening price, and where support should be if the market is in an uptrend, but it may want to sell off first thing in the morning.

What time do you wake up and what’s the first thing you do?